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Juspay Technologies Sdet Engineer Interview Questions and Answers
Juspay Technologies Sdet Engineer Interview Experiences
3 interviews found
Anonymous
I applied via Campus Placement and was interviewed in Jun 2024. There were 2 interview rounds.
This round has 3 coding questions mostly based on graph and trees
(2 Questions)
- Q1. A lockable tree problem
- Ans.
Design a data structure for locking/unlocking nodes in a binary tree efficiently.
Implement a lockable tree data structure with lock(), unlock(), and isLocked() methods.
Ensure a node can only be locked if all ancestors are unlocked and all descendants are locked.
Optimize the operations for efficiency.
Consider using a flag in each node to track its locked status.
Use a recursive approach to check locking conditions.
Mainta...
- Q2. OS level improvements in above problem
- Ans.
Improving the operating system can enhance performance and efficiency of the system.
Optimizing memory management to reduce overhead
Implementing better scheduling algorithms to improve multitasking
Enhancing file system performance for faster data access
Improving network stack for better communication speed
Interview Preparation Tips
Skills evaluated in this interview
Nistha Agrawal
Selected
I applied via Approached by Company and was interviewed in Jun 2024. There was 1 interview round.
(1 Question)
- Q1. Basics about previous work
I applied via Campus Placement and was interviewed in Sep 2023. There were 3 interview rounds.
152. Maximum Product Subarray
Medium
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Given an integer array nums, find a
subarray
that has the largest product, and return the product.
The test cases are generated so that the answer will fit in a 32-bit integer.
Example 1:
Input: nums = [2,3,-2,4]
Output: 6
Explanation: [2,3] has the largest product 6.
Example 2:
Input: nums = [-2,0,-1]
Output: 0
Explanation: The result cannot be 2, because [-2,-1] is not a subarray.
Constraints:
1 <= nums.length <= 2 * 104
-10 <= nums[i] <= 10
The product of any prefix or suffix of nums is guaranteed to fit in a 32-bit integer.
Basic quants and advanced quants
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Coding and aptitude round
(1 Question)
- Q1. Tree dsa questions
(1 Question)
- Q1. Horse race question
(1 Question)
- Q1. Location specific question
I appeared for an interview in Jan 2025.
Test was based on arrays and some dsa concepts.
Software Engineer Interview Questions & Answers
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Kishan KAVATHIYA (Kishu)
posted on 15 May 2024
I applied via LinkedIn and was interviewed in Apr 2024. There was 1 interview round.
(1 Question)
- Q1. Internal Implementation of HashMap
Skills evaluated in this interview
Selected
I applied via Company Website and was interviewed before Sep 2023. There were 2 interview rounds.
Abstraction,Encapsulation
(2 Questions)
- Q1. Why should i hire you
- Ans.
I have a strong background in software testing, automation, and problem-solving skills.
I have extensive experience in writing test cases, executing test plans, and identifying bugs.
I am proficient in programming languages like Java, Python, and SQL, which are essential for automation testing.
I have a track record of improving testing processes and efficiency in previous roles.
I am a quick learner and adapt easily to ne...
- Q2. Where do you see your self in next 5 years
- Ans.
In the next 5 years, I see myself growing into a senior SDET role, leading a team of engineers, and contributing to innovative testing strategies.
Continuing to enhance my technical skills in automation testing and software development
Taking on more leadership responsibilities within the testing team
Contributing to the development of new testing frameworks and strategies
Possibly pursuing certifications or advanced degre...
Interview Preparation Tips
Selected
I appeared for an interview before May 2024, where I was asked the following questions.
- Q1. Test ng frame work n related work
- Q2. Java collection level question
- Q3. Manual testing question related to real time scenerio
- Q4. SQL questions, related to CURD OPEATION
I applied via Campus Placement and was interviewed in Sep 2024. There were 3 interview rounds.
2 Coding questions - medium to hard
(2 Questions)
- Q1. Questions on scalable systems.
- Q2. Medium level DSA questions.
(2 Questions)
- Q1. Questions on SQL
- Q2. Implement LFU using OOPs concepts from scratch.
- Ans.
Implement LFU cache using OOPs concepts
Create a class for LFU cache with methods like get, put, and remove
Use a hashmap to store key-value pairs and a hashmap to store frequency of each key
Implement a doubly linked list to store keys with the same frequency
Skills evaluated in this interview
I applied via Campus Placement and was interviewed in Jul 2023. There were 2 interview rounds.
Aptitude and 2 coding questions
(1 Question)
- Q1. Questions about resume, Puzzles and DSA questions
Interview Preparation Tips
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